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%I #6 Apr 02 2016 18:43:21

%S 0,0,0,0,0,8,27,69,154,309,546,889

%N A269747(n) - A270805(n).

%C Number of regular tetrahedra in an n-node-per-edge tetrahedral grid that do not have all four vertices on the boundary of the parent grid.

%Y Cf. A269747, A270805.

%K nonn,more

%O 0,6

%A _N. J. A. Sloane_, Apr 02 2016